Sanitation
| Tue 05 May 2026
Beijing, May 5 -- Yunnan Yuanxin Carbon has applied Chinese patent for Carbon Block Cleaning Device and Method. Yang Guanghong, Yang Chuanyuan, Chen Shiping, Zhao Yunlong, Yan Jin, Xiao Xiang, Yang Chaoqiang, Wang Lei, Luo Zecheng, Zhang Hongyue, Lu Chao, Li Shuzhi, Zhao Jiangrong and Chen Xiang developed it.
The patent appli..